Returns the sum of a power series based on the formula.
| Name | Type | Description |
| arg1 | any | Is the input value to the power series. |
| arg2 | any | Is the initial power to which you want to raise x. |
| arg3 | any | Is the step by which to increase n for each term in the series. |
| arg4 | any | Is a set of coefficients by which each successive power of x is multiplied. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.SERIESSUM(5, 2, 1, 3));
builder.SaveFile("xlsx", "SERIESSUM.xlsx");
builder.CloseFile();